Updates March 23, 2023: The timeline has been updated, and deprecation will not occur until Chrome 117. January 19, 2023: The timeline has been updated, and deprecation will not occur until Chrome 114. August 12, 2022: The timeline has been updated, and deprecation will not occur until Chrome 109. February 10, 2022: An updated article is published at Private Network Access: introducing preflights
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